Getting to $100 Billion: Climate Finance Scenarios and Projections to 2020 is one of the first quantitative analyses of realistic funding scenarios to achieve the climate finance goal of $100 billion annually by 2020. It shows that if a variety of sources are included, climate finance could total $109 to $155 billion in 2020 under projections of low-medium growth and leverage.

In certain areas of the world, more than 80 percent of the local water supply is withdrawn by businesses, farmers, residents and other consumers every year. These areas are particularly vulnerable to episodic drought.

Businesses can help move international climate action forward through direct interventions in their own operations and by creating a surround sound of support. Global Director of WRI's Business Center Kevin Moss lays out a five-point checklist.

The Obama administration committed to reduce U.S. emissions 26-28 percent below 2005 levels by 2025. A new WRI study reveals how to achieve that target—and go even further—through existing federal policies and state action.